Finding the Fourth Proportional to 222,736.99, 307,394.79 and 125,961.23
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Solution
The fourth proportional to 222,736.99, 307,394.79 and 125,961.23 is: 173,836.53
Step by Step Solution
- Step 1: Write the proportion equation
222,736.99 : 307,394.79 = 125,961.23 : x - Step 2: Convert to fraction form
222,736.99/307,394.79 = 125,961.23/x - Step 3: Cross multiply
222,736.99x = 307,394.79 × 125,961.23 - Step 4: Simplify right side
222,736.99x = 38,719,823,992.11 - Step 5: Solve for x
x = 38,719,823,992.11/222,736.99 - Step 6: Final answer
x = 173,836.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.